Валентин

Valentyn Prysiazhniuk
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🔗 GitHub: https://github.com/Valentyn-Pr
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Python Backend / Full-Stack Developer

Results-driven Python developer with 6+ years of experience building robust, scalable applications. Proven
background in both software development and automated quality assurance (AQA), with over 2 years of hands-on
experience in modern web frameworks such as FastAPI and Django.

Fast learner with a strong ability to quickly adapt to new technologies and programming languages. Passionate
about AI development and continuously expanding expertise in cutting-edge tools and practices.

Effective both as a collaborative team player and as an independent engineer, delivering high-quality solutions with
a global impact.

Skills
o​ Programming languages: Python, Rust, JS (JavaScript), TypeScript, C/C++, HTML, CSS, Go, bash
o​ Frameworks: PyTest, FastAPI, Django,, React, NestJS
o​ Version control: Git (GitHub, GitLab, Gerrit), SVN
o​ Databases:
SQL: PostgreSQL, MySQL, SQLite3 (main DB for now).
noSQL: MongoDB (Atlas, Compass, Mongo-Express)
vector DBs: FAISS, Pinecone
o​ Containerization: Docker, Kubernetes (k8s), Linux Containers (LXC/LXD).
o​ ORMs: SQLAlchemy (python), Django ORM, Prisma (js)
o​ Virtualization: VMware vSphere, QEMU, VirtualBox, KVM.
o​ OSes/NOSes: Linux (advanced user), Windows, MacOS, SONIC.
o​ Networking: have deep understanding about how network works (can do linux troubleshooting) and network
protocols like HTTP/HTTPS, ARP, TCP, UDP, DNS, WebSockets, MQTT and others
o​ Scrum tools: Jira, Redmine, Confluence.
o​ Other: asyncio, pandas, poetry, uv, pip, gRPC/protobuf

Experience (the most relevant positions)
Pantheon Tech. MAY 2024 - PRESENT​
(can name the client in person only. it is well known company)

Senior Python Engineer | Remote

o​ did research, designed and executed a complex migration from connexion to fastAPI as the sole engineer.
o​ participated in MCP (Model Context Protocol) development and its integration into the product
 o​ participated in RAG (Retrieval-Augmented Generation) development and AI integration
o​ created Pydantic schemas for dev and production
o​ managed openAPI issues and integration
o​ managed CI/CD (BitBucket, jenkins)
o​ provided patches for client after doing troubleshooting
o​ planned features development (including research of corresponding techniques and approaches).
o​ did code reviews
o​ participated in the hiring process.
o​ linux administration (nginx config etc)

PLVision (customer name: NVIDIA): APRIL 2021 – MAY 2024
Senior Python Engineer | Remote

o​ Participated in development of custom test framework for network devices testing (this was more dev role
than AQA as tests took only 20% of the working time)
o​ Wrote simulation software on Python and C for networking hardware simulations.
o​ Developed a platform for resource (simulation VMs/Servers) access management (react+DRF)
o​ Sub team management
o​ CI/CD management.
o​ Improving existing codebase (speeding up and re-design)
o​ Writing High Level Designs (HLDs) and implementation of new features.

Infineon Technologies: FEBRUARY 2019 – MARCH 2021
Senior (started as middle) Python AQA | Lviv, Ukraine (on site)

o​ Writing test cases on C/C++/Python
o​ Extending the test framework based on PyTest.
o​ CI/CD management (GitLab pipelines).
o​ Data collection and procession (MongoDB, PostgreSQL).
o​ Writing Test Plans and Test Reports.

Languages
o​ English between B2 and C1 (based on different test sources)
o​ Ukrainian - Native
o​ Spanish – A1.2
o​ Romanian - B1
o​ russian - Fluent

Education
o​ Master of “Computerized Systems” at Lviv Polytechnic National University. 2019-2021
o​ Bachelor of “Electronics Systems and Devices” at Lviv Polytechnic National University 2015-2019